Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate
2008-07-01
2008-07-01
Anderson, Matthew (Department: 2618)
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
C455S575400, C455S550100, C345S168000
Reexamination Certificate
active
11221127
ABSTRACT:
A portable communication apparatus equipped with up/down keys. The portable communication apparatus includes a main housing, a sliding housing adapted to slide to be opened and closed while continuously facing the main housing, a number of keys arranged in a predetermined position on the top surface of the main housing and adapted to be moved up to be exposed and moved down to be hidden, when the sliding housing is opened and closed, respectively, and an elastic body positioned below the keys to provide a force for moving them up.
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patent: 2007/0218963 (2007-09-01), Kim
Cha Seong-Won
Lee Chang-Soo
Park In-Gon
Anderson Matthew
Dao Minh
Samsung Electronics Co,. Ltd
The Farrell Law Firm PC
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